195426454 has 4 divisors (see below), whose sum is σ = 293139684. Its totient is φ = 97713226.

The previous prime is 195426433. The next prime is 195426479. The reversal of 195426454 is 454624591.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48856612 + ... + 48856615.

It is an arithmetic number, because the mean of its divisors is an integer number (73284921).

Almost surely, 2^195426454 is an apocalyptic number.

195426454 is a deficient number, since it is larger than the sum of its proper divisors (97713230).

195426454 is an equidigital number, since it uses as much as digits as its factorization.

195426454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97713229.

The product of its digits is 172800, while the sum is 40.

The square root of 195426454 is about 13979.5012071247. The cubic root of 195426454 is about 580.3114201548.

The spelling of 195426454 in words is "one hundred ninety-five million, four hundred twenty-six thousand, four hundred fifty-four".